Home / 22,186.48-33,319.38-21,294.60

Finding the Fourth Proportional to 22,186.48, 33,319.38 and 21,294.60

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Solution

The fourth proportional to 22,186.48, 33,319.38 and 21,294.60 is: 31,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.48 : 33,319.38 = 21,294.60 : x
  2. Step 2: Convert to fraction form
    22,186.48/33,319.38 = 21,294.60/x
  3. Step 3: Cross multiply
    22,186.48x = 33,319.38 × 21,294.60
  4. Step 4: Simplify right side
    22,186.48x = 709,522,869.35
  5. Step 5: Solve for x
    x = 709,522,869.35/22,186.48
  6. Step 6: Final answer
    x = 31,979.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.